01665nam a2200169 a 450000100080000000500110000800800410001910000190006024500600007926000160013930000110015550001230016652011570028965000180144665000160146465300150148013040392009-05-06       1981    bl uuuu  m   00u1 u    #d1 aDANIELS, R. F.  aAn integrated system of stand models for loblolly pine.  a1981.c1981  a103 f.  aDissertation (Doctor of Philosophy) - Graduate Faculty, Virginia Polythnic Institute and State University, Blacksburg.  aLoblolly pine (Pinus taeda L.) is the single most. Important commercial timber species in the South and among intensively managed tree species in the world. The forest manager may now select from a number of site prepararion and planting alternatives, plant genetically improved stock, and apply intermediate cultural treatments including thinning, fertilization, and various forms of insect and apply mixes, must also be considered. This inereases in management decisions. New technology, chanping utilization standards, energy considerations, environmental concerns, changing land use patterns, .Stand models, wich provide accurate estimates of stand growyh and yield have become essential for evaluating the numerous management and utilization alternatives for loblolly pine. Decision must be made for individual stands for entire forests, and for broad regional planning. The projection period and leavel of stand detall required may varyin each case. Existing stand models form a continuum of complexity and detall or resolution ranging from relatively simple simulation models of the development and interactions of individual trees in a stand...  aforest stands  aPinus Taeda  aPovoamento